Acromag 250T Series overview
Acromag 250T Series Frequency Input Two-Wire Transmitters | Thermocouple Input Isolated Transmitters. The Model 250T Frequency Input, Two-Wire Transmitter accep...
Manufactured byAcromag
Part number or family250T Series
Product groupFrequency Input Two-Wire Transmitters
Product details
Manufactured byAcromag
Product groupFrequency Input Two-Wire Transmitters
DescriptionAcromag 250T Series Frequency Input Two-Wire Transmitters | Thermocouple Input Isolated Transmitters.
OverviewThe Model 250T Frequency Input, Two-Wire Transmitter accepts a periodic or pulse waveform signal (such as those originating from tachometers, magnetic transducers and turbine flow meters), and provides a 4-20mA process current output directly proportional to the signal frequency. The input circuit is direct coupled, fully isolated, and can accept signal amplitudes from +/- 25mV to 150V RMS. Any one of ten input frequency ranges, from 25 Hz to 25,600 Hz spans, can be easily selected by changing one jumper (shunt) on a digital divider network. These transmitters are RFI-protected, operate over a wide temperature range, and feature excellent temperature coefficients, which minimize the effects from harsh plant environments.Other features of this unit include the following: A quartz crystal time-base design is used for improved temperature performance. Three filter network time constants (field selectable) are provided to optimize output response-time and ripple characteristics. Two input threshold circuits are provided (field selectable).
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Acromag
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Frequency Input Two-Wire Transmitters
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